Mountain resort image
– Lat/Long: 48.71° N 121.99° W

South Twin Sister
Weather Forecast, United States

Issued: 4 am Sun 02 Aug Local Time
Updates in:
hr min s
Update imminent

Days 1–3 Weather Summary

Light rain (total 6mm), mostly falling on Sun afternoon. Warm (max 27°C on Tue afternoon, min 11°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm (max 29°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light.

Sunday
2
Monday
3
Tuesday
4
Wednesday
5
Thursday
6
Friday
7
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
rain showers
rain showers
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
rain shwrs
rain shwrs
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
Cloud base (m)
1700
800
km/h
5
W
5
NW
5
NE
0
NW
5
WNW
5
ENE
0
W
5
WNW
5
ENE
5
SW
5
WSW
5
ENE
5
W
5
W
0
S
5
WSW
10
WSW
0
ESE
Weather map
Weather map
Weather map
Weather map
Weather map
Weather map
Snowflake cm
 mm
1.8
4
0.1
max °C
12
14
14
19
23
19
24
27
23
26
29
25
26
29
24
22
24
20
min °C
11
13
11
14
22
17
20
27
19
22
29
21
23
28
19
20
24
15
 chill °C
11
13
11
14
22
17
20
27
19
22
29
21
23
28
19
20
24
15
Freezing level m
2300
2450
3000
3500
3700
3800
3800
4200
4450
4550
4750
4750
4600
4650
4500
4350
4100
4000
Sea lvl1000m2000m3000m4000m5000m
12471011111415151717161615121211567101416161819182121192019151614121413172318222721242923252922212418
Sunrise
5:41
5:43
5:45
5:46
5:48
5:48
Sunset
8:44
8:43
8:40
8:39
8:37
8:37

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South Twin Sister Weather (Days 0-3):

The weather forecast for South Twin Sister is: Light rain (total 6mm), mostly falling on Sun afternoon. Warm (max 27°C on Tue afternoon, min 11°C on Sun morning). Wind will be generally light.

South Twin Sister Weather (Days 3-6):

Mostly dry. Warm (max 29°C on Wed afternoon, min 15°C on Fri night). Wind will be generally light.

This table gives the weather forecast for South Twin Sister at the specific elevation of 500 m. Our advanced weather models allow us to provide distinct weather forecasts for several elevations of South Twin Sister. To see the weather forecasts for the other elevations, use the tab navigation above the table. For a wider overview of the weather, consult the Weather Map of Washington.

Live conditions reported by 10 closest weather stations

Weather StationTemp.WeatherWindGusts
Cloud
Visibility
Cloud / Visibility
34 km WSW
100m alt.
2 hours ago
16° C
Dry
2
Calm
(2 kph at 181).
5
SHIP3326
38 km WSW
15m alt.
2 hours ago
- km
41 km SSW
219m alt.
2 hours ago
16° C
cloudy
Dry and cloudy.
0
Calm
(0 kph at 0).
16 km
Low: broken
Mid: broken
High: overcast
Bellingham Airport
41 km W
219m alt.
2 hours ago
15° C
cloudy
Dry and cloudy.
Wind obs. (9 kph from 1 degs) was rejected.
16 km
Low: few
Mid: overcast
43 km WNW
25m alt.
1 hour ago
18° C
Dry
2
Calm
(2 kph at 261).
14
SHIP1985
38 km WSW
15m alt.
3 hours ago
- km
SHIP2191
38 km WSW
3m alt.
3 hours ago
SHIP3130
38 km WSW
15m alt.
3 hours ago
- km
SHIP4195
38 km WSW
15m alt.
2 hours ago
- km
SHIP5430
38 km WSW
3m alt.
3 hours ago

* NOTE: not all weather observatories update at the same frequency which is the reason why some locations may show data from stations that are further away than known closer ones.